package com.example.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.example.po.ConcurrencySafePO;

public interface ConcurrencySafeMapper extends BaseMapper<ConcurrencySafePO>
{

    /*
     * 乐观锁更新 ConcurrencySafePO
     * @param po
     * @return
     */
    int optimisticUpdate(ConcurrencySafePO po);
}
